Sensation And — Perception

Difference Threshold (Just Noticeable Difference): The minimum change in a stimulus required for a person to detect that a change has occurred. Perception: The Interpretation

The human brain does not see things in isolation; it looks for patterns. identifies several laws of grouping: Sensation and Perception

Diminished sensitivity as a consequence of constant stimulation (e.g., stopping noticing the smell of a room after being in it for ten minutes). Sensation and Perception

Sensation is the physical process of collecting data from the environment. Sensory receptors (in the eyes, ears, nose, tongue, and skin) detect physical energy—such as light waves or sound vibrations—and convert it into neural signals. Sensation and Perception

A mental predisposition to perceive one thing and not another based on expectations.